0 like 0 dislike
862 views
正三角形的面積公式是[4分之根號3乘a平方],請設計一個程式,讓使用者輸入正三角形的邊長,然後輸出正三角形的面積,輸出時請輸出並四捨五入到小數點後兩位。

範例輸入:

8

範例輸出:

21.71
[Normal] Coding (C) - asked in 2016-1 程式設計(一)AC by (18k points)
ID: 13422 - Available when: Unlimited - Due to: Unlimited
3 flags | 862 views
0 0
Called for Help

35 Answers

0 like 0 dislike
Hidden content!
* **** ** ** ** ***

#include * *** *

int main()

{


*** ** * * * * A ,B;
* *** * **** * *** * * ***** *
** *** ** ** **** * = sqrt(3)/4*A*A;
* **** * * * * ****** * * *



}
answered by (-82 points)
0 like 0 dislike
Hidden content!
*** * *** *
* *** ** ** ** ** *





int main (void)



{
* * **** int a,i;
* * *

* * ** * *** double **
** *** *

* * * * *** scanf * **** * ****** **
*** ** *****

* *** * b = * *
* *** *

***** * c = * ****
**** ****

** * *** *** * ** **** * **
** ** **

* * * ** ** 0;
*** *** *

}
answered by (-157 points)
0 like 0 dislike
Hidden content!
#include * * ** * *

#include * * **** * **

#include ** ** * ** *

int main()

{
* *** * **** * * a;
* * * ** ** **** *** * * * * ** b;
****** * * **** * * *** ** ** *** &a);
** * * * * * **** ** **** * ** * *
** ** ******* * * ** ** ** * ******* *** b);
* *** * * * ** * *** 0;

}
answered by (-158 points)
0 like 0 dislike
Hidden content!
#include * ** * **** *
** * *** * * * ***
** * * * * * *** *





int **
** ** * * ***** * ** a,ans;
** * * **** *** ** * *** ** * *
* * * ****** ***** * * * = sqrt(3) * 0.25 * a * a;
**** ** * * * * * * * * * ans);


* * * * ** * * **** ** *

return 0;

}
answered by (-122 points)
0 like 0 dislike
Hidden content!
#include <stdio.h>

#include * * ** **

#include * * *** ** ** **

#include <math.h>





int main()
* ** ** * ** **** ** *
* ** * * * * * * * * ** **** * * ******* a=0,c=0;
** ** * * * * ** ** * * ** *** ** ** ** **
** * **** *** ** ** ** *** * * ***** = *** * ** *
** * * * * * ** * * ** * * *** * ** ** ** **** *
* **** * * ** * *** *** * * * * * * * *** 0;
* ** ****** ** * *****
answered by (-216 points)
0 like 0 dislike
Hidden content!
#include <stdio.h>





int main()
**** ** *** * * ***
* ** ** * * * *** ** * * * *** * *** * a=0,c=0;
* * ** * ** ** *** *** ** * * * * *** * ** ***** * *** **
* *** ** * * * * *** ** ** * *** = ((sqrt(3.0)/4.0)*(a*a));
* * ** ** * ** * *** * *** * * ** * * **** ** * ** ***
**** ** ** * * ** *** **** *** * * * * * * * ** 0;
** * * **** ** * * * *** ***
answered by (-216 points)
0 like 0 dislike
Hidden content!
#include <stdio.h>

#include * ***** * *

#include <ctype.h>





int main()
****** * * ****
* *** ** ** ** * ** ** * * * * a,b,c;
* *** *** * * * * ** ** * ** ** * ** ** *** * *****
** * ** ** * * *** * ** *** * * * *** = sqrt(3.0);
* ** *** * ** *** *** * ** *** ** * = ((b / 4.0) * (a * a));
** *** *********** * * ** * * * ** * * ** * * *
**** * ** ** *** ***** * * *** **** * **** 0;
**** * *** ** **** ** **
answered by (-216 points)
0 like 0 dislike
Hidden content!
#include * * ** *** *

#include * * *** * ** **

#include * ** ** **

int main()

{
** *** * * * ** * a,area;
* ******* **** *** * ***** * * *************** **
*** * *** * * * *** * ** = sqrt(3) / 4 * a * a;
****** * * ** ** * ** * * ** * ** *


* ** ** * *** ********* *** * * 0;



}
answered by (-320 points)
0 like 0 dislike
Hidden content!
** * ***** *
* * *** * *** ** ***

int main()

{

int a = 0;
* * * * * * * * **
** *** * * **** * ** * * ***


0;



}
answered by (-140 points)
0 like 0 dislike
Hidden content!
* ** * * **** **



int *

{
** ** * ** * * * n, A;


* ** * ** * * ****** * ** *** , *****
*** * * * * * * = (1.732 * n * n) / 4;
* ** * * * * *** * ** * * , A);



}
answered by (-90 points)
Welcome to Peer-Interaction Programming Learning System (PIPLS) LTLab, National DongHwa University
English 中文 Tiếng Việt
IP:172.71.254.209
©2016-2024

Related questions

0 like 0 dislike
43 answers
[Normal] Coding (C) - asked Oct 11, 2016 in 2016-1 程式設計(一)AC by Shun-Po (18k points)
ID: 13025 - Available when: Unlimited - Due to: Unlimited
| 979 views
0 like 0 dislike
49 answers
[Normal] Coding (C) - asked Oct 11, 2016 in 2016-1 程式設計(一)AC by Shun-Po (18k points)
ID: 13023 - Available when: Unlimited - Due to: Unlimited
| 1k views
0 like 0 dislike
39 answers
[Normal] Coding (C) - asked Oct 11, 2016 in 2016-1 程式設計(一)AC by Shun-Po (18k points)
ID: 13020 - Available when: Unlimited - Due to: Unlimited
| 1.2k views
0 like 0 dislike
7 answers
[Exercise] Coding (C) - asked Oct 27, 2016 in 2016-1 程式設計(一)AC by Shun-Po (18k points)
ID: 15399 - Available when: 2016-10-27 18:30:00 - Due to: 2016-10-27 21:00:00
| 256 views
12,783 questions
183,443 answers
172,219 comments
4,824 users